Kim Kardashian and a gal pal lunched at Nate and Al's in Beverly Hills this afternoon, and we're told the reality TV starlet went to get her teeth whitened afterwards. Gotta keep those pearly whites picture perfect!

We already got a peek at Kim's new brown tresses earlier today, but after seeing them in the daylight, we love love love the lighter look! It seems like Kim is happy with the results, as she wrote on her blog, "I’m loving it! New hair color=new beginnings for me." Any chance she's got a new guy in mind too? After her split from husband Kris Humphries, Kim's has kept her love life under wraps...